(Solved) : Modify Program Following Add Virtual Function Called Print Base Class Pfarrayd Function P Q37428548 . . . .

Modify the program to do the following:

1. Add a virtual function called print to the base class“PFArrayD”. The function prints out the content of the partiallyfilled array “a”.
2. Add a virtual function called print to the derived class“PFArrayDBak”. The function prints out the content of the partiallyfilled array “b”.
3. Make both destructors virtual and modify them to print out astatement saying that the destructor is called.
4. Create a new main, and declare a pointer to the base class“PFArrayD” and use the newoperator to create an object oftype derived “PFArrayDBak”.
5. Fill in the array of “a”
6. Back up the array “a” in “b”.
   1. To do this, create
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